1. The left display light is the load capacity, if more than three lights suggest testing the entire system to ensure that the UPS will not be overloaded.
2. The right side of the light is to show the UPS current battery storage capacity as a percentage of the battery capacity, the lights are all bright means that the battery is full, the battery is too low is that it will blink alarm.
3. The on-line indicator, the UPS is connected to the mains to provide power to the connected equipment.
4. Overload indicator, i.e. the connected device exceeds the maximum load defined by the UPS.
5. Battery power indicator, when the utility fails, the UPS is powered by the battery
6. Failure indicator, the light indicates that the UPS self-tested to the internal fault
7. Bypass indicator, indicates that the UPS is in the (bypass) mode, can not be used to back up the battery, the utility power is delivered directly to the connected loads.
8. Replacement of the battery indicator: the need to replace the battery as soon as possible, replace the battery 24 hours to self-test, such as self-test through the alarm stops.
The bottom two buttons on the left is the shutdown button on the right is the power on and self-test.
According to the UPS panel lights, is the UPS internal failure, as well as low battery power, to replace the battery as soon as possible.
Expanded Information:
Three-phase, single-phase, can be applied through the back panel of the body of the "input phase selection key" can be simply realized for 3-phase or single-phase input switching tower, rack-mounted, flexible conversion, with the addition of rack-mounting rails, can be mounted in the cabinet to use at the same time, to provide the rack-mounted battery pack
Network management, powerful functions, with environmental monitoring, and the environment, the network management. Powerful , network management card with environmental monitoring (AP9631) smart-rt series machines due to the high precision, so there are often a variety of alarms, as long as any problem will make the ups power supply failure light.